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Finding the Fourth Proportional to 69,893.48, 96,465.65 and 41,211.43

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Solution

The fourth proportional to 69,893.48, 96,465.65 and 41,211.43 is: 56,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,893.48 : 96,465.65 = 41,211.43 : x
  2. Step 2: Convert to fraction form
    69,893.48/96,465.65 = 41,211.43/x
  3. Step 3: Cross multiply
    69,893.48x = 96,465.65 × 41,211.43
  4. Step 4: Simplify right side
    69,893.48x = 3,975,487,535.73
  5. Step 5: Solve for x
    x = 3,975,487,535.73/69,893.48
  6. Step 6: Final answer
    x = 56,879.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.